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2 years ago

What is the slope of a line that parallel to the line through the points A(-5,-20) and B(9,9)

Mathematics

2 answers:

irinina [24]2 years ago

6 0

Answer:

$\frac{29}{14}$

Step-by-step explanation:

Parallel lines have the same slope

So, just find the slope of (-5,-20), (9,9)

$slope (m) = \frac{y}{x} \\\frac{9-(-20)}{(9-(-5)} =\frac{29}{14} \\$

Bas_tet [7]2 years ago

3 0

Answer:

29/14

Step-by-step explanation:

9- -20 / 9 - -5 = 29/14 a parallel line will have the same slope so. 29/14

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1) The factors of $x^2-3x+2=0$ are $\mathbf{(x-1)(x-2)=0}$

Option C is correct.

3) The factors of $x^2+2x-8=0$ are $\mathbf{(x-2)(x+4)=0}$

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Step-by-step explanation:

1) Factor : $x^2-3x+2=0$

For factoring we need to break the middle term, such that there sum is equal to middle term of expression and product is equal to product of first and last term.

The middle term : -3x

We can break them as (-2x)( -x)

Solving:

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Option C is correct.

3) Factor: $x^2+2x-8=0$

For factoring we need to break the middle term, such that there sum is equal to middle term of expression and product is equal to product of first and last term.

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We can break them as (4x)( -2x)

Solving

$x^2+2x-8=0\\x^2+4x-2x-8=0\\x(x+4)-2(x+4)=0\\(x-2)(x+4)=0$